if you have any idea ____,please let me know.(应选择哪个?）A.what he di_英语解答

if you have any idea ____,please let me know.(应选择哪个?）
A.what he did B.what did he do C.he did what D.he do what

人气：219 ℃　时间：2020-04-02 22:52:58

解答

A

连接词what + 主语+ 谓语

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